Covers one half of the earth is not a characteristic because deserts simply do not cover half the earth
Only one president, <u><em>Woodrow Wilson</em></u>, had a doctorate, and was president of Princeton University before becoming the U.S. President.
When oceanic or continental plates slide past each other in opposite directions<span>, or </span>move<span> in the same </span>direction<span> but at different speeds, a transform fault boundary is formed.</span>
It focuses on the main foreign policy events, such as World War I, the Paris Peace Conference, the establishment of the League of Nations, the Munich Agreement, World War II, the Yalta Conference, the establishment of the United Nations, the Cold War, and the emergence of the European Union.
.......... therefore
<em>The</em><em> </em><em>answer</em><em> </em><em>is</em><em>:</em><em> </em>
B.